code: def set_negative(self, negative):
      self.negative = negative
  
file_path: DeepKE/example/llm/InstructKGC/kg2instruction/convert/sampler.py
imports: import json
  import os
  from collections import defaultdict
  import random
label_desc: Use image node_id 2 for calling the Sampler obj's underlying member method code with example usage: obj.set_negative(negative) without return types